import javax.swing.plaf.synth.SynthOptionPaneUI;
import java.util.Scanner;//导包
public class Test {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);
        String name =scanner.nextLine();
        System.out.println(name);

    }
    public static void main121(String[] args) {
        //for循环计算1！+2！+3！+4！+5！
        int sum = 0;
        for(int t =1;t <=5;t++){
            int temp = 1;
            for(int j = 1;j <=t;j++){
                temp *=j;
            }
            sum+=temp;
        }
        System.out.println("sum="+sum);

    }
    public static void main123(String[] args) {
        //计算1！+2！+3！+4！+5！
        int n = 1;
        int sum =0 ;
        //外层
        while (n<=5){
            int innum = 1;
            int temp = 1;
            //内层
            while(temp <= n){
                innum *= temp;
                temp++;
            }
            sum+=innum;
            n++;
        }
        System.out.println(sum);
    }

    public static void main111(String[] args) {
        int n = 1;
        int result = 0;
        while(n<100){
            result+=n;
            n++;
        }
        System.out.println(result);

    }
    public static void main12(String[] args) {
        int n = 1;
        int result = 1;
        //5的阶乘
        while(n<=5){
            result+=n;
            n++;
        }
        System.out.println(result);
    }
    public static void main11(String[] args) {
        int n = 1;
        int result = 0;
        //100内的和
        while(n<=100){
            result+=n;
            n++;
        }
        System.out.println(result);


    }
    public static void main7(String[] args) {
        int a = 2;
        switch(a){
            case 0:
                System.out.println(111);
                break;
            case 2:
                System.out.println(2);
                break;
            case 3:
                System.out.println(3);
                break;
            case 4:
                System.out.println(4);
                break;
        }
    }
    public static void mainyear(String[] args) {
        Scanner scanner=new Scanner(System.in);

        int year = scanner.nextInt();
        if(year % 100==0){
            if(year % 400==0){
                System.out.println("是世纪闰年");
            }else{
                System.out.println("不是闰年");
            }
        }else{
            if(year % 4==0){
                System.out.println("是普通闰年");
            }else{
                System.out.println("不是闰年");
            }

        }

    }
    public static void main6(String[] args) {

        System.out.println("sasd");
        System.out.println("dadas");


        int a = 10;
        if(a==10){
            System.out.println(a);
        }else{
            System.out.println(121213);
        }
    }
    public static void main5(String[] args) {
        int a=10;
        a=a++;
        System.out.println(a);
    }
    public static void main4(String[] args) {
        int a=4;
        double d=5.0;
        a+=d;
        System.out.println(a);


    }
    public static void main3(String[] args) {
        System.out.println(10%3);
        System.out.println(-10%3);
        System.out.println(10%-3);
        System.out.println(-10%-3);

        System.out.println(11.5%2);//==1.5

    }
    public static void main2(String[] args) {
        System.out.println(5/2);
        System.out.println((float) 5/2);
        System.out.println(5/(float)2);
        System.out.println((float)(5/2));
    }
    public static void main1(String[] args) {
        System.out.println(4+2);
        System.out.println(4-2);
        System.out.println(5/2);
        System.out.println(5%2);



    }
}
